Driving from Toronto to Nashville to see the eclipse! – missing Nashville

Hi all I was wondering If I left the early morning of August 20th (6am) from Toronto, if I will be in Nashville by night time? Google maps says its a 12 hour drive currently but Im sure the weekend leading up to it will be hectic. I am worried about traffic taking a long time and thus cause us to be late. Thanks and hope to see you all there!